To the nature of nuclear force

Abstract

It has been shown for the first time that $NN$ interaction, at least in some partial waves, can be quantitatively described by the superposition of a long-range one-pion exchange and a short-range mechanism based on the complex pole in the $NN$ potential corresponding to the dibaryon resonance in this partial wave. For the partial waves ${}^3{P}_2$, ${}^1{D}_2$, ${}^3{F}_3$ and ${}^1{S}_0$ the parameters of the complex poles that give the best description of the elastic and inelastic phase shifts of $NN$ scattering are very close to the empirical parameters of the corresponding isovector dibaryon resonances detected experimentally. Based on the results obtained, a general conclusion is made about the nature of nuclear force at medium and small internucleon distances.

arXiv comment32 pages, 10 figures

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Cited by in corpus (5)

• Nature of $\mathbf{S}$-wave $\mathbf{NN}$ interaction and dibaryon production at nucleonic resonance thresholds
• Dibaryon resonances and short-range $NN$ interaction
• $P$-wave dibaryon resonances in $pp$ elastic scattering and near-threshold pion production
• Properties of dibaryons in nuclear medium
• Isospin symmetry breaking in double-pion production in the region of $d^{\ast }(2380)$ and the scalar $\sigma$ meson